Codes

Note that you can assign shortcuts to most of these applications ran by these codes using Anycut. For example, *#*#4636#*#* -> Battery information can be accessed directly by creating an "Activity" Anycut shortcut to "Battery information".

Reset

Factory format: Remove SIM and microSD cards, start the phone and enter *2767*3855# into the dialer. This deletes all files, including those on the 7GB internal storage, and reinstalls the firmware. This will not affect the camera firmware.